[require]
GL >= 3.3
GLSL >= 3.30
GL_ARB_bindless_texture
GL_ARB_shader_image_load_store

[vertex shader passthrough]

[fragment shader]
#version 330
#extension GL_ARB_bindless_texture: require
#extension GL_ARB_shader_image_load_store: enable
#extension GL_ARB_uniform_buffer_object: enable

struct Struct {
	vec4 color;
	writeonly image2D img;
};

//layout (std140) uniform Block {
//	Struct s;
//} block;

uniform Struct s;

out vec4 outcolor;

void main()
{
	imageStore(s.img, ivec2(gl_FragCoord.xy), s.color);
	outcolor = vec4(0.0, 0.0, 0.0, 1.0);
}

[test]
# Texture 0 is the imageStore output.
texture rgbw 0 (16, 16) GL_RGBA8
resident image texture 0 GL_RGBA8
uniform handle s.img 0

# Texture 1 is the rendering output. We don't care about this.
texture rgbw 1 (16, 16) GL_RGBA8

# Store red using imageStore
uniform vec4 s.color 1.0 0.0 0.0 1.0
fb tex 2d 1
draw rect -1 -1 2 2

# Test the result of imageStore
memory barrier GL_FRAMEBUFFER_BARRIER_BIT
fb tex 2d 0
probe all rgba 1.0 0.0 0.0 1.0